HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide
Manuals
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HP Manuals
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HP ProBook 4520s Notebook PC (ENERGY STAR)
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3.
Disconnect the fan cable from the system board
(5)
, and remove the hea
t sink
(6)
.
Component repl
acement procedures
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